round double to n decimal places c++
float roundoff(float value, unsigned char prec)
{
float pow_10 = pow(10.0f, (float)prec);
return round(value * pow_10) / pow_10;
}
auto rounded = roundoff(100.123456, 3);
// rounded = 100.123;round double to n decimal places c++
float roundoff(float value, unsigned char prec)
{
float pow_10 = pow(10.0f, (float)prec);
return round(value * pow_10) / pow_10;
}
auto rounded = roundoff(100.123456, 3);
// rounded = 100.123;nearest integer rounding in c++
cout << "Nearest value of x :" << round(x) << "n";Copyright © 2021 Codeinu
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